# -*- coding: utf-8 -*-
from part import *
from material import *
from section import *
from assembly import *
from step import *
from interaction import *
from load import *
from mesh import *
from optimization import *
from job import *
from sketch import *
from visualization import *
from connectorBehavior import *

import math

mdb.models['Model-1'].Part(dimensionality=THREE_D, name='Part-1', type=DEFORMABLE_BODY)

# 胞元几何形状参数

H = 10.0 # 胞元间连杆长度

# 星形外接圆参数
D1 = 2.0 # 内圆直径
D2 = 6.0 # 外圆直径
R1 = 0.5 * D1 # 内圆半径
R2 = 0.5 * D2 # 外圆半径

# 阵列数目
X_N = 5
Y_N = 3

# 阵列间距
X_SPACE = 3 ** 0.5 * H
Y_SPACE = 3 * H

def sin(theta):
  return math.sin(theta / 180.0 * math.pi)

def cos(theta):
  return math.cos(theta / 180.0 * math.pi)

# 生成三角星
def createStar():

  # 三角星的六个顶点坐标（从正上方开始编号为1，逆时针编号）
  point_1 = (R2 * cos(90), R2 * sin(90), 0)
  point_2 = (R1 * cos(150), R1 * sin(150), 0)
  point_3 = (R2 * cos(210), R2 * sin(210), 0)
  point_4 = (R1 * cos(270), R1 * sin(270), 0)
  point_5 = (R2 * cos(330), R2 * sin(330), 0)
  point_6 = (R1 * cos(390), R1 * sin(390), 0)

  line_1 = (point_1, point_2)
  line_2 = (point_2, point_3)
  line_3 = (point_3, point_4)
  line_4 = (point_4, point_5)
  line_5 = (point_5, point_6)
  line_6 = (point_6, point_1)

  # 三角星外围的三根连杆
  link_point_1 = (0.5 * H * cos(150), 0.5 * H * sin(150), 0)
  link_point_2 = (0.5 * H * cos(270), 0.5 * H * sin(270), 0)
  link_point_3 = (0.5 * H * cos(390), 0.5 * H * sin(390), 0)

  link_line_1 = (link_point_1, point_2)
  link_line_2 = (link_point_2, point_4)
  link_line_3 = (link_point_3, point_6)

  lines = [line_1, line_2, line_3,
           line_4, line_5, line_6,
           link_line_1, link_line_2, link_line_3]

  return lines

# x轴镜像
def mirrorX(lines):
  mirrorLines = []
  for line in lines:
    point_1 = (line[0][0], -line[0][1], line[0][2])
    point_2 = (line[1][0], -line[1][1], line[1][2])

    mirrorLines.append((point_1, point_2))
  return mirrorLines

# 生成倒三角星
def createDownwardStar():

  starLines = createStar()
  downwardStarLines = mirrorX(starLines)

  return downwardStarLines

# 沿x轴、y轴阵列线段
def arrayLines(x_n, y_n, lines):

  X_arrayLines = []
  Y_arrayLines = []

  # 胞元沿x轴进行阵列
  for i in range(x_n):

    for item in lines:

      point_x_1 = (item[0][0] + X_SPACE * i, item[0][1], item[0][2])
      point_x_2 = (item[1][0] + X_SPACE * i, item[1][1], item[1][2])
      
      X_arrayLines.append((point_x_1, point_x_2))
  
  # 胞元沿y轴进行阵列
  for j in range(y_n):

    for each in X_arrayLines:

      point_y_1 = (each[0][0], each[0][1] + Y_SPACE * j, each[0][2])
      point_y_2 = (each[1][0], each[1][1] + Y_SPACE * j, each[1][2])

      Y_arrayLines.append((point_y_1, point_y_2))

  return Y_arrayLines

# 移动线段位置
def move(offset_x, offset_y, lines):

  res = []

  for line in lines:
    point_1 = (line[0][0] + offset_x, line[0][1] + offset_y, 0)
    point_2 = (line[1][0] + offset_x, line[1][1] + offset_y, 0)
    res.append((point_1, point_2))

  return res

# 生成整个结构
def generateStructure():
  starLines = createStar()
  downwardStarLines = createDownwardStar()
  
  # 将三角星和倒三角星分四次阵列
  starLines_1 = starLines
  array_1 = arrayLines(X_N, Y_N, starLines_1)

  starLines_2 = move(-0.5 * 3 ** 0.5 * H, 0.5 * H, downwardStarLines)
  array_2 = arrayLines(X_N + 1, Y_N, starLines_2)

  starLines_3 = move(-0.5 * 3 ** 0.5 * H, 1.5 * H, starLines)
  array_3 = arrayLines(X_N + 1, Y_N, starLines_3)

  starLines_4 = move(0, 2 * H, downwardStarLines)
  array_4 = arrayLines(X_N, Y_N, starLines_4)

  lines = array_1 + array_2 + array_3 + array_4

  return lines

lines = generateStructure()

lines_tuple = tuple(lines)

print(" ")

# 打印参数
print("H: %s " % H)
print("D1: %s " % D1)
print("D2: %s " % D2)
print("X_N: %d " % X_N)
print("Y_N: %d " % Y_N)

mdb.models['Model-1'].parts['Part-1'].WirePolyLine(mergeType=IMPRINT, meshable=ON, 
    points=lines_tuple)

mdb.models['Model-1'].parts['Part-1'].Set(edges=
    mdb.models['Model-1'].parts['Part-1'].edges.getSequenceFromMask(('[#3 ]', 
    ), ), name='Wire-2-Set-1')


# Save by cgp on 2021_06_01-17.37.10; build 6.14-5 2015_08_18-22.37.49 135153
